Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380961 | Device for connecting the contact cable for vehicles running on rails | Trond A. Ronning | 1995-01-10 |
| 5139284 | Ski pole | Trond A. Ronning, John Sandstad | 1992-08-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380961 | Device for connecting the contact cable for vehicles running on rails | Trond A. Ronning | 1995-01-10 |
| 5139284 | Ski pole | Trond A. Ronning, John Sandstad | 1992-08-18 |